6 - Maintenance
174
HAZ Boom
Readjustment of Boom - General Info
Before commencing adjustment jobs, please go through this check list.
1. The sprayer must be well lubricated (see the section “Lubrication”).
2. Place the sprayer on level and solid ground.
3. Activate parking brake.
4. Put wedges under the wheels to prevent rolling.
5. Unfold the boom.
6. Place strong supports below the centre section and all boom sections to relieve the load from the hydraulic cylinders.
7. If you have a lifting crane, support the centre sections as a minimum, as this is the heaviest boom part (up to 1000 kg).
8. Set slanting angle to neutral position (horizontal).
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DANGER! No one is allowed under the boom, while the adjustment is carried out.
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DANGER! Adjustment of hydraulic cylinders is to be carried out without pressure in the system.
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ATTENTION! For information on boom terminology, see page 55.
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ATTENTION! To check the boom alignment, you can use a spirit level, or you can measure the distance to the ground
from similar points in both ends of the boom wing (this method is used for horizontal alignment and only on level
ground). When using the latter method, both distances should be equal to obtain a horizontal boom.
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ATTENTION! Boom sections, which are not support during adjustment jobs, might fall down or be difficult to adjust.
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ATTENTION! Adjustments are to be completed equally for both right and left boom wings.
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ATTENTION! The following types of arrows are used when describing the different boom adjustments:
Point of adjustment Boom is adjusted upwards Boom is adjusted downwards Boom is adjusted away from you Boom is adjusted towards you
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